🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.5

Radius: 0.76

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 0.5 AU - 0.56 AU

Year: 172 Days

Day: 32.6 Hours

Environment

Temp: 22 °C

Axial Tilt: 34.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.24

Radius: 0.57

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.45 AU - 0.71 AU

Year: 197 Days

Day: 21.5 Hours

Environment

Temp: 2 °C

Axial Tilt: 6.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.66

Radius: 1.22

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.99 AU - 1.19 AU

Year: 508 Days

Day: 18.1 Hours

Environment

Temp: -70 °C

Axial Tilt: 21.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 88,721,453 km

• M1: 432,338 km (0.042 R)
• M2: 870,061 km (0.099 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.12

Radius: 1.05

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 1.22 AU - 1.7 AU

Year: 787 Days

Day: 42.9 Hours

Environment

Temp: -99 °C

Axial Tilt: 18.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 88,721,453 km

• M1: 127,009 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 839.9

Radius: 11.9

Gravity: 5.93 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 7 AU - 8.32 AU

Year: 9460 Days

Day: 12.6 Hours

Environment

Temp: -190 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 88,721,453 km

• M1: 148,251 km (0.1 R)
• M2: 572,661 km (0.098 R)
• M3: 1,229,994 km (0.083 R)
• M4: 1,630,766 km (0.102 R)
• M5: 2,207,466 km (0.052 R)
• M6: 3,446,735 km (0.055 R)
• M7: 6,725,172 km (0.088 R)
• M8: 8,393,787 km (0.081 R)
• M9: 9,616,899 km (0.082 R)
• M10: 10,741,875 km (0.116 R)
• M11: 11,895,574 km (0.091 R)
• M12: 13,069,468 km (0.082 R)
• M13: 17,567,428 km (0.036 R)
• M14: 19,009,850 km (0.038 R)
• M15: 21,193,530 km (0.028 R)
• M16: 27,625,341 km (0.069 R)
• M17: 30,633,455 km (0.098 R)
• M18: 33,056,492 km (0.066 R)
• M19: 36,201,638 km (0.098 R)
• M20: 38,656,239 km (0.085 R)
• M21: 40,698,250 km (0.071 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 900.1

Radius: 4.8

Gravity: 39.07 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 8.11 AU - 12.15 AU

Year: 14387 Days

Day: 24.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 88,721,453 km

• M1: 60,438 km (0.03 R)
• M2: 216,917 km (0.092 R)
• M3: 482,902 km (0.057 R)
• M4: 661,223 km (0.051 R)
• M5: 821,143 km (0.061 R)
• M6: 1,919,341 km (0.088 R)
• M7: 2,149,123 km (0.098 R)
• M8: 2,354,521 km (0.096 R)
• M9: 2,641,001 km (0.115 R)
• M10: 3,257,194 km (0.115 R)
• M11: 3,698,957 km (0.106 R)
• M12: 4,941,966 km (0.073 R)
• M13: 5,562,198 km (0.056 R)
• M14: 5,793,028 km (0.085 R)
• M15: 6,192,005 km (0.074 R)
• M16: 7,000,133 km (0.099 R)
• M17: 7,269,260 km (0.083 R)
• M18: 10,296,223 km (0.115 R)
• M19: 12,309,661 km (0.058 R)
• M20: 12,702,056 km (0.074 R)
• M21: 14,789,694 km (0.055 R)
• M22: 15,010,202 km (0.067 R)
• M23: 18,417,891 km (0.044 R)
• M24: 20,436,416 km (0.113 R)
• M25: 23,583,356 km (0.118 R)
• M26: 23,985,475 km (0.105 R)
• M27: 29,636,834 km (0.103 R)
• M28: 30,105,075 km (0.119 R)
• M29: 30,459,473 km (0.088 R)
• M30: 36,381,005 km (0.061 R)
• M31: 42,135,587 km (0.104 R)
• M32: 42,430,893 km (0.082 R)
• M33: 47,663,826 km (0.054 R)
• M34: 48,467,915 km (0.097 R)
• M35: 48,792,094 km (0.094 R)
• M36: 54,876,987 km (0.102 R)
• M37: 63,750,385 km (0.062 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 555.2

Radius: 4.1

Gravity: 33.03 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 13.29 AU - 18.27 AU

Year: 27971 Days

Day: 23.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 85.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 88,721,453 km

• M1: 51,013 km (0.094 R)
• M2: 236,963 km (0.03 R)
• M3: 526,136 km (0.092 R)
• M4: 956,978 km (0.079 R)
• M5: 1,757,775 km (0.117 R)
• M6: 2,304,256 km (0.092 R)
• M7: 2,848,942 km (0.11 R)
• M8: 3,266,619 km (0.098 R)
• M9: 3,660,510 km (0.074 R)
• M10: 4,542,390 km (0.073 R)
• M11: 9,139,981 km (0.092 R)
• M12: 10,740,529 km (0.099 R)
• M13: 11,402,948 km (0.12 R)
• M14: 12,021,984 km (0.082 R)
• M15: 12,162,606 km (0.087 R)
• M16: 13,029,077 km (0.106 R)
• M17: 13,326,777 km (0.101 R)
• M18: 15,209,616 km (0.08 R)
• M19: 15,790,354 km (0.095 R)
• M20: 15,958,951 km (0.104 R)
• M21: 16,908,150 km (0.073 R)
• M22: 20,177,462 km (0.082 R)
• M23: 21,388,756 km (0.118 R)
• M24: 22,862,295 km (0.061 R)
• M25: 24,627,549 km (0.067 R)
• M26: 26,959,331 km (0.088 R)
• M27: 36,568,152 km (0.055 R)
• M28: 42,780,353 km (0.084 R)
• M29: 44,436,402 km (0.084 R)
• M30: 45,110,640 km (0.077 R)
• M31: 45,620,768 km (0.077 R)
• M32: 52,418,795 km (0.093 R)
• M33: 64,261,710 km (0.112 R)
• M34: 65,557,527 km (0.084 R)
• M35: 68,648,219 km (0.112 R)
• M36: 73,230,102 km (0.054 R)
• M37: 85,567,439 km (0.112 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 159 - 17,840 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit